The Fate of Fungal Spores in the Insect Gut

  • R. J. Dillon
  • A. K. Charnley

Abstract

Suctorial insects in the main are not exposed to a large enteric microbial inoculum. In contrast, mandibulate insects ingest a wide range of microorganisms with their food. Enforced association between insects and their microbes particularly during feeding has led to the evolution of a wide variety of formal, and informal relationships which are amply illustrated by insect—fungus interactions. Fungi inhabit the gut as commensals, e.g., Trichomycetes (Moss, 1979); symbionts, e.g., yeasts provide essential nutrients (Pant and Fraenkel, 1950; Chararas et al., 1983); commuters, e.g., plant pathogens in transit (Ingold, 1971); exoparasites, e.g., Laboulbeniales (Bell, 1974); or potential endoparasites (pathogens; Roberts and Humber, 1981). Exploitation of fungi by insects occurred early in evolution as feeding on dead or decaying material is probably the primitive condition among the class Insecta (Southwood, 1972). Direct mycophagy is also an important feeding habit (Martin, 1979; Kukor and Martin, 1987). Symbiotic associations have developed between insects and fungi with possibly the pinnacle being the fungal gardens of leaf-cutting ants (Weber, 1966; Boyd and Martin, 1975a,b).

Keywords

Germinate Microbe Glycoside Aspergillus Quinone 

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • R. J. Dillon
    • 1
  • A. K. Charnley
    • 1
  1. 1.School of Biological SciencesUniversity of BathBath, AvonEngland

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